National Stock number : 5305-01-081-2429
Cap Socket Head Screw
| Available Quantity | 477 |
| Available Conditions | NE NS |
| Classification | Screws - FSC 5305 |
| Schedule B | 7318152000 |
| Stock Check Date | 07/29/2025 |
Part-Number.info Quality System
- ISO 9001:2015 + AS9120B Certifed
- Audited supply chain
- Counterfeit Parts Prevention
- 100% Product Inspections
- 7 Year Record Retention
- HAZMAT Certified
- ITAR and DDTC Registered
Product Properties
Description
Cap Socket Head Screw
Thread Class
3a
Thread Direction
RIGHT-Hand
Thread Length
0.625in. ⁓5/8"
Fastener Length
0.625in. ⁓5/8"
Head Style
fillister
Head Diameter
0.457in. and 0.469in.
Head Height
0.306in. and 0.312in. ⁓5/16"
Locking Feature
patch threads
Internal Drive Style
hexagon
Nominal Thread Diameter
0.312in. ⁓5/16"
Width Across Flats
0.250in. ⁓1/4"
Thread Quantity Per Inch
18
Minimum Tensile Strength
170000 pounds per square inch
Hardness Rating
38.0 rockwell c and 45.0 rockwell c
Minimum Yield Strength
150000 pounds per square inch
Material
steel
Material Document And Classification
66 fed std single material response
Surface Treatment
zinc
Surface Treatment Document And Classification
QQ-Z-325, ty 2, cl 3 fed spec single treatment response
Thread Series Designator
unc
